remove repeated pkg and cmdUtil -> cmdutil

[alwqx]

• remove repeated pkg "k8s.io/minikube/pkg/util"
• cmdUtil -> cmdutil to be in conformity with pkgutil "k8s.io/minikube/pkg/util"

Signed-off-by: adolphlwq kenan3015@gmail.com

[minikube-bot]

Can one of the admins verify this patch?

[codecov-io]

Codecov Report

Merging #2010 into master will not change coverage.
The diff coverage is 0%.

@@           Coverage Diff           @@
##           master    #2010   +/-   ##
=======================================
  Coverage   29.87%   29.87%           
=======================================
  Files          77       77           
  Lines        4760     4760           
=======================================
  Hits         1422     1422           
  Misses       3158     3158           
  Partials      180      180

Impacted Files	Coverage Δ
cmd/minikube/cmd/start.go	9.93% <0%> (ø)	⬆️

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[dlorenc]

@minikube-bot OK to test

[r2d4]

thanks!